imsize 512 256
eye 0 0 0
viewdir 0 0 -1
hfov 45
updir 0 1 0
bkgcolor 0.2 0.2 0.2 1
light 0 5 -4 1 0.5

mtlcolor 1 0 0 1 1 1 0.2 0.6 0.2 50 1 1
sphere 0 0 -8 2